[1] Nottingham Univ Hosp NHS Trust, Trent Oesophagogastr Unit, Nottingham, England
[2] Veneto Inst Oncol IOV IRCCS, Surg Oncol Unit, Padua, Italy
[3] Univ Birmingham, Canc Res UK Clin Trials Unit, Birmingham, W Midlands, England
[4] Univ Birmingham, Acad Dept Surg, West Midlands Res Collaborat, Birmingham, W Midlands, England
[5] Univ Birmingham, Acad Dept Surg, Birmingham, W Midlands, England
[6] Univ Hosp Birmingham NHS Fdn Trust, Dept Upper Gastrointestinal Surg, Birmingham B15 2WB, W Midlands, England
[7] Aintree Univ Hosp NHS Fdn Trust, Liverpool, Merseyside, England
[8] Airedale Dist Gen Hosp, Steeton, W Yorkshire, England
[9] Wirral Univ Teaching Hosp, Birkenhead, Merseyside, England
[10] Barnet & Chase Farm Hosp, Enfield, Middx, England
[11] Barnsley Dist Gen Hosp, Barnsley, England
[12] Basildon Univ Hosp, Basildon, England
[13] Sandwell & West Birmingham Hosp NHS Trust, Birmingham, W Midlands, England
[14] Heart England Fdn NHS Trust, Birmingham, W Midlands, England
[15] Blackpool Teaching Hosp NHS Fdn Trust, Blackpool, England
[16] Bradford Teaching Hosp NHS Fdn Trust, Bradford, W Yorkshire, England
[17] Univ Hosp Bristol NHS Trust, Bristol, Avon, England
[18] Broomfield Hosp, Broomfield, England
[19] Calderdale & Huddersfield NHS Trust, Huddersfield, W Yorkshire, England
[20] Hull & East Yorkshire NHS Trust, Kingston Upon Hull, N Humberside, England
[21] Chesterfield Royal Hosp NHS Fdn Trust, Calow, England
[22] Colchester Hosp Univ NHS Fdn Trust, Colchester, Essex, England
[23] Countess Chester NHS Fdn Trust, Chester, Cheshire, England
[24] Croydon Hlth Serv NHS Trust, Croydon, England
[25] North Cumbria Univ Hosp Trust, Whitehaven, England
[26] Plymouth Hosp NHS Trust, Plymouth, Devon, England
[27] Mid Yorkshire NHS Trust, Dewsbury, England
[28] Northern Lincolnshire & Goole NHS Fdn Trust, Scunthorpe, England
[29] Doncaster & Bassetlaw Hosp NHS Fdn Trust, Doncaster, England
[30] Dorset Cty Hosp NHS Fdn Trust, Dorchester, England
[31] North Bristol NHS Trust, Bristol, Avon, England
[32] Freeman Rd Hosp, Newcastle Upon Tyne, Tyne & Wear, England
[33] Frimley Pk Hosp NHS Trust, Frimley, England
[34] Gloucestershire Hosp NHS Trust, Gloucester, England
[35] Great Western Hosp NHS Fdn Trust, Swindon, Wilts, England
[36] Harrogate & Dist NHS Fdn Trust, Harrogate, England
[37] Wye Valley NHS Trust, Hereford, England
[38] Homerton Univ Hosp NHS Trust, London, England
[39] Tees Hosp NHS Fdn Trust, Northallerton, England
[40] Paget Univ Hosp NHS Fdn Trust, Gorleston On Sea, Great Yarmouth, England
[41] Oxford Univ NHS Trust, Oxford, England
[42] Kettering Gen Hosp NHS Fdn Trust, Kettering, England
[43] Barking Havering & Redbridge Univ Hosp NHS Trust, Romford, Essex, England
[44] Kings Mill Hosp, Sutton In Ashfield, England
[45] Kingston Hosp NHS Fdn Trust, Kingston Upon Thames, Surrey, England
[46] Univ Hosp Leicester NHS Trust, Leicester, Leics, England
[47] Mid Cheshire Hosp NHS Fdn Trust, Leighton Hosp, Crewe, England
[48] Luton & Dunstable Univ Hosp NHS Fdn Trust, Luton, Beds, England
[49] Macclesfield Hosp, Macclesfield, Cheshire, England
[50] Cent Manchester NHS Fdn Trust, Manchester, Lancs, England